CN211778101U

CN211778101U - Ventilation safety monitoring equipment for coal mine

Info

Publication number: CN211778101U
Application number: CN202020289935.7U
Authority: CN
Inventors: 胡大勇; 王云铠; 赵金玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-10-27
Anticipated expiration: 2030-03-11

Abstract

The utility model discloses a ventilation safety supervisory equipment for coal mine, including ventilation safety supervisory equipment body, ventilation safety supervisory equipment body includes the installation cover of fixed mounting in the tunnel, and top one side fixed mounting of installation cover has the battery, is equipped with the exhaust fan in the installation cover, exhaust fan and battery electric connection, equal fixed mounting has the installation piece on the top inner wall of installation cover and the bottom inner wall, and the top and the equal fixed mounting in bottom of exhaust fan have a fixed block, and the bottom fixed mounting of a fixed block that lies in the below in two fixed blocks has L shape pole, and one side that two installation pieces are close to each other is all seted up one side and is the first rectangular channel that the opening set up. The utility model relates to a rationally, convenient operation, when the circuit breaks down, be convenient for in time remind the staff, and be convenient for pull down clearance and installation to the exhaust fan fast, avoid the more normal use that influences the exhaust fan of dust, satisfy the user demand.

Description

Ventilation safety monitoring equipment for coal mine

Technical Field

The utility model relates to a ventilation safety supervisory equipment technical field especially relates to a ventilation safety supervisory equipment for coal mine.

Background

Mine ventilation is one of the most main technical means for ensuring mine safety, a mine must be provided with a complete independent ventilation system, the mine yield must be checked according to the actual air volume, namely 'the production is determined by wind', whether the mine ventilation system is reasonable or not plays an important role in the condition of the ventilation condition of the whole mine and the safety production of the mine can be ensured, meanwhile, on the premise of ensuring the safety production, the ventilation cost is reduced, the economy and reasonability are strived, a ventilator is mainly arranged in the mine construction process of the mine ventilation system, the existing ventilation safety monitoring equipment for the coal mine mainly comprises an installation sleeve, a standby battery and an exhaust fan, toxic gas in the mine is exhausted through the exhaust fan, but the existing ventilation safety monitoring equipment for the coal mine is not convenient to find in time under the condition that a circuit has a problem, and if the circuit has a problem, the operation of the coal mine fan is stopped, make poisonous gases such as carbon monoxide, carbon dioxide, nitrogen dioxide, sulfur dioxide, hydrogen sulfide, methane in the mine can not in time discharge, will constitute serious threat to workman's in the well life, in order to solve this problem, through the retrieval authorization notice number: CN206530517U discloses a coal mine ventilation monitoring device, which comprises a mounting sleeve, wherein an exhaust fan and a wind guide cover are respectively arranged in the mounting sleeve, the wind guide cover is positioned at one side of an air outlet of the exhaust fan, a standby power supply and an alarm lamp are respectively arranged at one side of the mounting sleeve, the inner bottom of the wind guide cover is connected with a connecting rod through a second spring, the exhaust fan rotates to generate wind power to blow a wind blocking disc, a rack on the connecting rod is meshed with a gear to drive a first rotating shaft to wind the connecting rod, so that two semicircular conducting strips are separated, the standby power supply and the alarm lamp are in an idle state, when a ventilation system is powered off accidentally, due to the lack of wind power, the two semicircular conducting strips are contacted under the action of the first spring and the second spring to switch on a circuit, the standby power supply supplies power to the exhaust fan and the alarm lamp, so that a mine can continuously maintain a ventilation state, the circuit is maintained, and the life safety of workers is guaranteed.

Although can solve the situation that the circuit in time reported to the police that the problem appears in the above-mentioned patent, its frictional force that produces at the in-process of work is great, (mainly embody on the setting of rack and gear), and adhere to a large amount of dusts on the flabellum easily after the exhaust fan uses for a long time, it is not convenient for quick with the exhaust fan follow mount cover take off clear up the dust on the exhaust fan, and then reduce its efficiency of airing exhaust, can not satisfy the user demand, therefore we have proposed a ventilation safety monitoring equipment for coal mine and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a ventilation safety monitoring device for coal mines.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a ventilation safety monitoring device for coal mines comprises a ventilation safety monitoring device body, wherein the ventilation safety monitoring device body comprises an installation sleeve fixedly installed in a roadway, a storage battery is fixedly installed on one side of the top of the installation sleeve, an exhaust fan is arranged in the installation sleeve, the exhaust fan is electrically connected with the storage battery, installation blocks are fixedly installed on the inner wall of the top and the inner wall of the bottom of the installation sleeve, fixed blocks are fixedly installed on the top and the bottom of the exhaust fan, an L-shaped rod is fixedly installed at the bottom of a fixed block positioned below the two fixed blocks, a first rectangular groove with one side provided with an opening is formed in one side, close to each other, of the two installation blocks, the bottom of the L-shaped rod extends into a first rectangular groove positioned below the two first rectangular grooves, one end of the L-shaped rod extends out of an installation block positioned below the two installation blocks, and a second rectangular groove is formed in the top of, a trapezoidal block is sleeved in the second rectangular groove in a sliding manner, the top of the trapezoidal block is provided with an inclined plane, the top of the trapezoidal block extends into the other rectangular groove and is in movable contact with the inner wall of the top of the other rectangular groove, the same first spring is fixedly installed between the bottom of the trapezoidal block and the inner wall of the bottom of the second rectangular groove, a handle is fixedly installed on one side of the trapezoidal block, one side of the handle, which is far away from the trapezoidal block, extends out of the other fixed block, a rectangular block is fixedly installed on the inner wall of the top of the other rectangular groove, a rolling ball is embedded in the bottom of the rectangular block and is matched with the inclined plane of the trapezoidal block, the right side of the rectangular block is in movable contact with the left side of the trapezoidal block, a wind collecting cover is fixedly sleeved in the mounting sleeve, a mounting pipe fixedly installed on the inner wall of the rear side, one side that exhaust fan was kept away from to first copper sheet is equipped with the second copper sheet, the top opposite side fixed mounting of installation cover has the alarm, the positive pole of battery and first copper sheet all with alarm electric connection, the negative pole electric connection of second copper sheet and battery, the equal fixed mounting in top and the bottom of second copper sheet has insulating thin pole, equal fixed mounting has the U-shaped pole on the top inner wall of installation pipe and the bottom inner wall, two U-shaped pole symmetrical settings, insulating thin pole sliding sleeve is established on the U-shaped pole that corresponds, fixed mounting has same compression spring between one side of insulating thin pole and the one side inner wall of the U-shaped pole that corresponds, compression spring movable sleeve is established on the U-shaped pole that corresponds.

Preferably, a limiting block is fixedly mounted on the inner wall of one side of the second rectangular groove, a limiting groove is formed in the other side of the trapezoidal block, and the limiting block is connected with the limiting groove in a sliding mode.

Preferably, a first rectangular hole is formed in the inner wall of the other side of the second rectangular groove, and the inner wall of the front side and the inner wall of the rear side of the first rectangular hole are respectively in sliding connection with the front side and the rear side of the handle.

Preferably, a second rectangular hole is formed in the inner wall of one side of one rectangular groove, and the side wall of the second rectangular hole is in movable contact with the outer side of the L-shaped rod.

Preferably, the storage battery, the alarm, the first copper sheet and the second copper sheet sequentially form a loop.

Preferably, the other side of the insulating thin rod is provided with an arc-shaped surface.

Compared with the prior art, the beneficial effects of the utility model are that:

through the installation sleeve, the exhaust fan, the fixed block, the installation block, the L-shaped rod, the first rectangular groove, the second rectangular groove, the trapezoidal block, the first spring, the handle, the rectangular block, the alarm, the second copper sheet, the installation pipe, the insulating thin rods, the U-shaped rod and the compression spring, the air collection cover is matched, when the exhaust fan normally works, wind power generated by the exhaust fan enters the installation pipe through the air collection cover to blow the two insulating thin rods and drive the second copper sheet to move towards the direction far away from the first copper sheet, the corresponding compression spring is compressed when the insulating thin rods move, when a circuit has a problem, the wind power of the exhaust fan stalls due to fault power failure gradually disappears, the blowing power to the insulating thin rods disappears, at the moment, the elastic force of the two compression springs simultaneously drives the second copper sheet to move to be in contact with the first copper sheet through the two insulating thin rods, the alarm alarms and reminds workers, when the exhaust fan needs to be taken down to clean dust on the exhaust fan, the handle is pulled downwards to drive the trapezoidal block to move downwards and compress the first spring, the trapezoidal block gradually staggers with the rectangular block while moving downwards, then the handle is pulled leftwards to drive the other fixed block to move through the trapezoidal block, the other fixed block drives the exhaust fan to be gradually taken down from the mounting sleeve, can clear up the dust above that, the back is accomplished in the clearance, when needing to install the exhaust fan, align L shape pole and a first rectangular channel, promote the exhaust fan right and drive trapezoidal piece through another fixed block and remove and extrude the ball, the extruded trapezoidal piece that drives moves down and compresses first spring, trapezoidal piece removes when staggering with the ball, the elasticity of first spring drives trapezoidal piece and removes to another first rectangular channel this moment for the exhaust fan is fixed.

The utility model relates to a rationally, convenient operation, when the circuit breaks down, be convenient for in time remind the staff, and be convenient for pull down clearance and installation to the exhaust fan fast, avoid the more normal use that influences the exhaust fan of dust, satisfy the user demand.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a ventilation safety monitoring device for coal mine according to the present invention;

FIG. 2 is a schematic structural view of portion A of FIG. 1;

fig. 3 is a schematic structural diagram of a portion B in fig. 1.

In the figure: the air collecting fan comprises an installation sleeve 1, an exhaust fan 2, a fixing block 3, an installation block 4, a 5L-shaped rod, a first rectangular groove 6, a second rectangular groove 7, a trapezoidal block 8, a first spring 9, a handle 10, a rectangular block 11, an alarm 12, a second copper sheet 13, an installation pipe 14, an insulation thin rod 15, a U-shaped rod 16, a compression spring 17 and an air collecting cover 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a ventilation safety monitoring device for coal mine comprises a ventilation safety monitoring device body, the ventilation safety monitoring device body comprises a mounting sleeve 1 fixedly mounted in a roadway, a storage battery is fixedly mounted on one side of the top of the mounting sleeve 1, an exhaust fan 2 is arranged in the mounting sleeve 1, the exhaust fan 2 is electrically connected with the storage battery, mounting blocks 4 are fixedly mounted on the inner wall of the top and the inner wall of the bottom of the mounting sleeve 1, fixed blocks 3 are fixedly mounted on the top and the bottom of the exhaust fan 2, an L-shaped rod 5 is fixedly mounted on the bottom of one fixed block 3 positioned below the two fixed blocks 3, first rectangular grooves 6 with one side being an opening are formed in one side of the two mounting blocks 4, the bottom of the L-shaped rod 5 extends into one first rectangular groove 6 positioned below the two first rectangular grooves 6, one end of the L-shaped rod 5 extends out of one mounting block 4 positioned below the two mounting blocks 4, a second rectangular groove 7 is formed in the top of the other fixed block 3, a trapezoidal block 8 is slidably sleeved in the second rectangular groove 7, the top of the trapezoidal block 8 is provided with an inclined plane, the top of the trapezoidal block 8 extends into the other rectangular groove 6 and is in movable contact with the inner wall of the top of the other rectangular groove 6, a same first spring 9 is fixedly installed between the bottom of the trapezoidal block 8 and the inner wall of the bottom of the second rectangular groove 7, a handle 10 is fixedly installed on one side of the trapezoidal block 8, one side of the handle 10, far away from the trapezoidal block 8, extends out of the other fixed block 3, a rectangular block 11 is fixedly installed on the inner wall of the top of the other rectangular groove 6, a rolling ball is embedded in the bottom of the rectangular block 11 and is matched with the inclined plane of the trapezoidal block 8, the right side of the rectangular block 11 is in movable contact with the left side of the trapezoidal block 8, a wind collecting cover 18 is fixedly sleeved in the installation sleeve 1, a mounting pipe 14, the utility model has the advantages of reasonable design and convenient operation, when a circuit fails, the first copper sheet is fixedly arranged on the inner wall of the rear side of the mounting tube 14, the second copper sheet 13 is arranged on one side of the first copper sheet, the alarm 12 is fixedly arranged on the other side of the top of the mounting sleeve 1, the positive electrode of the storage battery and the first copper sheet are both electrically connected with the alarm 12, the second copper sheet 13 is electrically connected with the negative electrode of the storage battery, the insulating thin rods 15 are fixedly arranged on the top and the bottom of the second copper sheet 13, the U-shaped rods 16 are fixedly arranged on the inner wall of the top and the inner wall of the bottom of the mounting tube 14, the two U-shaped rods 16 are symmetrically arranged, the insulating thin rods 15 are slidably sleeved on the corresponding U-shaped rods 16, the same compression spring 17 is fixedly arranged between one side of the insulating thin rods 15 and the inner wall of one side of the corresponding U-shaped rod 16, be convenient for in time remind the staff, and be convenient for pull down clearance and installation to exhaust fan 2 fast, avoid the more normal use that influences exhaust fan 2 of dust, satisfy the use needs.

In the utility model, a limit block is fixedly arranged on the inner wall of one side of a second rectangular groove 7, a limit groove is arranged on the other side of a trapezoidal block 8, the limit block is connected with the limit groove in a sliding way, a first rectangular hole is arranged on the inner wall of the other side of the second rectangular groove 7, the front inner wall and the rear inner wall of the first rectangular hole are respectively connected with the front side and the rear side of a handle 10 in a sliding way, a second rectangular hole is arranged on the inner wall of one side of a rectangular groove 6, the side wall of the second rectangular hole is in movable contact with the outer side of an L-shaped rod 5, a storage battery, an alarm 12, a first copper sheet and a second copper sheet 13 sequentially form a loop, the other side of an insulating thin rod 15 is provided with an arc-shaped surface, the utility model has reasonable design and convenient operation, when a circuit fails, the utility model is convenient for reminding workers in time, and is convenient for rapidly detaching, cleaning and installing the fan 2, the use requirement is met.

The working principle is as follows: when the exhaust fan 2 works normally, wind power generated by the exhaust fan 2 enters the installation pipe 14 through the wind collecting cover 18 to blow the two insulating thin rods 15, the two insulating thin rods 15 simultaneously drive the second copper sheets 13 to move in the direction away from the first copper sheets, the insulating thin rods 15 simultaneously move and compress the corresponding compression springs 17, when a circuit has a problem, the wind power for stopping rotation of the exhaust fan 2 due to fault power failure gradually disappears, the blowing force for the insulating thin rods 15 disappears, the elastic force of the compression springs 17 drives the corresponding insulating thin rods 15 to move in the direction close to the first copper sheets, the two insulating thin rods 15 simultaneously drive the second copper sheets 13 to move to be in contact with the first copper sheets, and at the moment, the alarm 12, the storage battery, the first copper sheets and the second copper sheets 13 form a loop, and the alarm 12 alarms a worker;

when the exhaust fan 2 needs to be taken down to clean dust on the exhaust fan, the handle 10 is pulled downwards, the handle 10 drives the trapezoidal block 8 to move downwards, the trapezoidal block 8 slides downwards in the second rectangular groove 7 and compresses the first spring 9, the trapezoidal block 8 gradually staggers with the rectangular block 11 while moving downwards, then the handle 10 is pulled leftwards, the handle 10 drives the other fixed block 3 to move through the trapezoidal block 8, the other fixed block 3 drives the exhaust fan 2 to move, the exhaust fan 2 drives one fixed block 3 to move, one fixed block 3 drives the L-shaped rod 5 to gradually move out of one first rectangular groove 6, the exhaust fan 2 can be taken down from the installation sleeve 1, the dust on the exhaust fan 2 is cleaned, after the cleaning is completed, when the exhaust fan 2 needs to be installed, the L-shaped rod 5 is aligned with one first rectangular groove 6, the trapezoidal block 8 is aligned with the other first rectangular groove 6, promote exhaust fan 2 right, exhaust fan 2 drives two fixed blocks 3 and removes, another fixed block 3 drives trapezoidal piece 8 and removes, trapezoidal piece 8 removes to when contacting with the ball, trapezoidal piece 8 continues to remove and extrudes the ball, extruded drive trapezoidal piece 8 moves down and compresses first spring 9, trapezoidal piece 8 removes to when staggering with the ball, the first spring 9 that is in compression state this moment resets, the elasticity of first spring 9 drives trapezoidal piece 8 and removes to another first rectangular channel 6 in, make exhaust fan 2 fixed, make be convenient for pull down and install exhaust fan 2 fast, avoid the more use that influences exhaust fan 2 of dust.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The ventilation safety monitoring equipment for the coal mine comprises a ventilation safety monitoring equipment body, wherein the ventilation safety monitoring equipment body comprises an installation sleeve (1) fixedly installed in a roadway, a storage battery is fixedly installed on one side of the top of the installation sleeve (1), an exhaust fan (2) is arranged in the installation sleeve (1), and the exhaust fan (2) is electrically connected with the storage battery, and is characterized in that installation blocks (4) are fixedly installed on the inner wall of the top and the inner wall of the bottom of the installation sleeve (1), fixed blocks (3) are fixedly installed on the top and the bottom of the exhaust fan (2), an L-shaped rod (5) is fixedly installed at the bottom of one fixed block (3) positioned below in the two fixed blocks (3), one side, which is close to each other, of the two installation blocks (4) is provided with a first rectangular groove (6) with one side being provided with an opening, and the bottom of the L-shaped rod (5) extends into one first rectangular groove (6) positioned below in the two first, one end of the L-shaped rod (5) extends to one mounting block (4) which is positioned below the two mounting blocks (4), the top of the other fixing block (3) is provided with a second rectangular groove (7), a trapezoidal block (8) is sleeved in the second rectangular groove (7) in a sliding manner, the top of the trapezoidal block (8) is arranged to be an inclined plane, the top of the trapezoidal block (8) extends to the other rectangular groove (6) and is in movable contact with the inner wall of the top of the other rectangular groove (6), a same first spring (9) is fixedly arranged between the bottom of the trapezoidal block (8) and the inner wall of the bottom of the second rectangular groove (7), a handle (10) is fixedly arranged on one side of the trapezoidal block (8), one side of the handle (10) far away from the trapezoidal block (8) extends to the other fixing block (3), a rectangular block (11) is fixedly arranged on the inner wall of the top of the other rectangular groove (6, the bottom of the rectangular block (11) is embedded with a ball, the ball is matched with the inclined plane of the trapezoidal block (8), the right side of the rectangular block (11) is in movable contact with the left side of the trapezoidal block (8), the mounting sleeve (1) is internally and fixedly sleeved with the air collecting cover (18), one side, away from the exhaust fan (2), of the air collecting cover (18) is provided with the mounting pipe (14) fixedly mounted on the inner wall of the rear side of the mounting sleeve (1), the inner wall of the rear side of the mounting pipe (14) is fixedly provided with a first copper sheet, one side, away from the exhaust fan (2), of the first copper sheet is provided with a second copper sheet (13), the other side of the top of the mounting sleeve (1) is fixedly provided with the alarm (12), the anode and the first copper sheet of the storage battery are both electrically connected with the alarm (12), the second copper sheet (13) is electrically connected with the cathode of the storage battery, the top and the, equal fixed mounting has U-shaped pole (16) on the top inner wall of installation pipe (14) and the bottom inner wall, and two U-shaped poles (16) symmetry set up, and insulating thin pole (15) slip cover is established on corresponding U-shaped pole (16), and fixed mounting has same compression spring (17) between one side of insulating thin pole (15) and one side inner wall of the U-shaped pole (16) that corresponds, and compression spring (17) movable sleeve is established on corresponding U-shaped pole (16).

2. The ventilation safety monitoring equipment for the coal mine according to claim 1, wherein a limiting block is fixedly installed on the inner wall of one side of the second rectangular groove (7), a limiting groove is formed in the other side of the trapezoidal block (8), and the limiting block is connected with the limiting groove in a sliding mode.

3. The ventilation safety monitoring device for the coal mine according to claim 1, wherein a first rectangular hole is formed in the inner wall of the other side of the second rectangular groove (7), and the inner wall of the front side and the inner wall of the rear side of the first rectangular hole are respectively in sliding connection with the front side and the rear side of the handle (10).

4. The ventilation safety monitoring device for the coal mine according to claim 1, wherein a second rectangular hole is formed in an inner wall of one side of one rectangular groove (6), and a side wall of the second rectangular hole is in movable contact with the outer side of the L-shaped rod (5).

5. The ventilation safety monitoring device for the coal mine according to claim 1, characterized in that the storage battery, the alarm (12), the first copper sheet and the second copper sheet (13) form a loop in sequence.

6. The ventilation safety monitoring device for the coal mine according to claim 1, characterized in that the other side of the insulating thin rod (15) is provided with an arc-shaped surface.